Method and apparatus for heat pump system protection
US4253130A · kind A · utility
14Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1979 |
| Grant date | Feb 24, 1981 |
| Priority date | — |
| Expiry date | Jun 8, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2700/21157
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Method and apparatus for monitoring a plurality of thermal parameters and the pressure related work load of a motor-compressor unit utilized in a heat pump system and providing protection for the motor-compressor by turning off the system for time periods dependent upon which parameter caused the system to be turned off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.